Santa Clara County health officials reports new case of measles

SANTA CLARA COUNTY, Calif. (KGO) — The Santa Clara County Public Health Department reported a case of measles on Friday.

Health officials say the case is an adult who developed symptoms and tested positive several days after returning from an international trip.

The person is vaccinated and is now isolating at home.

MORE: New map shows how to spot the measles risk level in your ZIP code

The last case of measles in the county was reported in May 2025.

Measles cases have been on the rise across the U.S., with over 1,100 cases reported so far this year, according to new data from the CDC.

More information about measles can be found here.